The identities of substances are the same before and after which type of change

What would happen if you didn't add enough hcl after the celite filtration?

What would have happened to your results if during the dehydration some of the copper (ii) sulfate splatter out of the crucible - would your results show more, less, or the same amount of water in the hydrate?

Predict the products when aqueous solutions of sodium carbonate and calcium chloride are combined.

Ice must absorb heat to melt into water. What must water do to evaporate?

How many molecules of carbon dioxide in water does it take to make one molecule of glucose

What element has the electron arrangement 2,8,4?

If you get pregnant in Dec how long will it take for u to get to second trimester

Name the following compound HClO

Aluminum and Oxygen gas will react to form Aluminum Oxide (Al2O3). When the equation is balanced, How many moles of Al2O3 are formed when a mixture of 0.36 moles Al is ignited? a. 0.12 b. 0.18 c. 0.28 d. 0.46

Which state of the West produces the widest varieties of fruits, vegetables, and nuts? A) California B) Colorado C) Wyoming D) Alaska